Heat resistant fastening systems
US9909610B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2015 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | Nov 16, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/31
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A heat resistant washer for a heat resistant fastening system and a heat resistant fastening system is provided. The heat resistant washer includes a fire retardant material, and a housing that includes a base and a flange, with a throughbore defined through the base to receive a fastener. The housing defines a cavity adjacent to the throughbore and at least one guide. The fire retardant material is disposed within the cavity and the at least one guide directs the fire retardant material in an active state out of the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.